michellenguyen29 michellenguyen29
  • 23-07-2022
  • Mathematics
contestada

prove that: 1-sin^2x cos*2x/cos^2x = tan^2x + cos^2x

prove that 1sin2x cos2xcos2x tan2x cos2x class=

Respuesta :

Medunno13
Medunno13 Medunno13
  • 23-07-2022

LHS = (1-sin² cos²)/(cos²)

= (sin² + cos² - sin² cos²)/(cos²)

= (sin/cos)² + 1 - sin²

= tan² + cos²

= RHS

Answer Link

Otras preguntas

Duermo en a. la puerta. b. la cama. c. la ventana.
In what ways was britain's salutary neglect a good thing for the colonists?
What most likely the result of the polar ice caps melting?
The transition between the precambrian and paleozoic eons was marked by __________.
Why is the coastline of the western United States cooler than the coastline of the eastern states? a. The west coast revives less sunlight b. The west coast ha
Burials as Historical Texts, what questions might historians ask of these burials that cannot be answered?
Presidents who won without the popular vote
Many crops such as tomatoes and corn are now routinely genetically manipulated to become more resistant to disease and herbicides. what is one disadvantage of t
Which would most likely increase aggregate supply? a decrease in business subsidies a decrease in personal income taxes an increase in the prices of imported pr
Why was the winter at valley forge such a difficult time for the continental army?